This is somewhat related to the discussion of classical auxiliary verb ふ, mentioned in the answer to snailboat's question, What is the わ in 忌まわしい and 嘆かわしい?.
Another apparent iterative / repetitive ...

In the opening to the popular anime Fairy tale, they say 魔法は 普通に売り買いされ 人々の生活に根づいていた。Which is translated in the subtitles as "Magic is traded like common goods. It has become a part of daily life, And ...